X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/runlisp/blobdiff_plain/05a9f820c6355e27bca8a87cd6a235bedcb872de..7e3a86038e2a2cbb48b356cb029f9de99c14ec79:/runlisp.1.in

diff --git a/runlisp.1.in b/runlisp.1.in
index 35378d4..c015ea0 100644
--- a/runlisp.1.in
+++ b/runlisp.1.in
@@ -64,6 +64,12 @@ runlisp \- run Common Lisp programs as scripts
 .IR form ]
 .RB [ \-l
 .IR file ]
+.RB [ \-p
+.IR form ]
+.if !t \{\
+.br
+	\c
+.\}
 .RB [ \-\- ]
 .RI [ arguments
 \*(..]
@@ -164,15 +170,13 @@ Negate with
 or
 .BR \-\-no-command-line-only .
 This has no effect in eval mode.
-which is set at compile time.
 .
 .TP
 .BI "\-L" "\fR, " "\-\-accept-lisp=" sys , sys ,\fR\*(..
 Use one of the named Lisp systems.
-Each
+The
 .I sys
-must name a supported Lisp system;
-the names are separated by a comma
+names are separated by a comma
 .RB ` , '
 and/or one or more whitespace characters.
 This option may be given more than once:
@@ -181,6 +185,13 @@ listing all of the systems named, in the same order.
 If a system is named more than once,
 a warning is issued (at verbosity level 1 or higher),
 and all but the first occurrence is ignored.
+System names which do not refer to known Lisp systems
+are silently ignored:
+otherwise, a script which supports an unusual Lisp system
+could never run at a site which doesn't have
+configuration runes for that Lisp system,
+even though they're useless
+if the system isn't actually installed.
 .
 .TP
 .BI "\-c" "\fR, " "\-\-config-file=" conf
@@ -204,7 +215,9 @@ Evaluate the expression(s)
 .I expr
 and print the resulting value(s)
 to standard output
-(as if by
+(with
+.B *print-escape*
+true, as if by
 .BR prin1 ).
 If a form produces multiple values,
 they are printed on a single line,
@@ -216,6 +229,11 @@ This option causes
 to execute in
 .I eval
 mode.
+See also
+.RB ` \-p ',
+which prints with
+.B *print-escape*
+false.
 .
 .TP
 .BI "\-e" "\fR, " "\-\-evaluate-expression=" expr
@@ -266,6 +284,32 @@ and overrides any similarly named setting
 from the configuration file(s).
 .
 .TP
+.BI "\-p" "\fR, " "\-\-print-expression=" expr
+Evaluate the expression(s)
+.I expr
+and print the resulting value(s)
+to standard output
+(with
+.B *print-escape*
+false, as if by
+.BR princ ).
+If a form produces multiple values,
+they are printed on a single line,
+separated by a single space character;
+if a form produces no values at all,
+then nothing is printed \(en not even a newline character.
+This option causes
+.B runlisp
+to execute in
+.I eval
+mode.
+See also
+.RB ` \-d ',
+which prints with
+.B *print-escape*
+true.
+.
+.TP
 .BR "\-q" ", " "\-\-quiet"
 Don't print warning messages.
 This option may be repeated:
@@ -292,11 +336,12 @@ Higher verbosity levels print informational and debugging messages.
 The
 .RB ` \-d ',
 .RB ` \-e ',
+.RB ` \-l ',
 and
-.RB ` \-l '
+.RB ` \-p '
 options may only be given on the command-line itself,
 not following a
-.RB `@ RUNLISP: '
+.RB ` @RUNLISP: '
 marker in a script.
 These options may be given multiple times:
 they will be processed in the order given.
@@ -308,7 +353,7 @@ instead, use
 to load code from files.
 The
 .IR arguments ,
-ppif any,
+if any,
 are still made available to the evaluated forms and loaded files.
 .
 .SS "Operation"
@@ -325,8 +370,9 @@ if desired.
 If the command line contains any of
 .RB ` \-d ',
 .RB ` \-e ',
-or
 .RB ` \-l ',
+or
+.RB ` \-p ',
 then
 .B runlisp
 treats all of its positional arguments as
@@ -348,6 +394,9 @@ mode.
 In
 .I script
 mode,
+and if the
+.RB ` \-E '
+option was not given,
 .B runlisp
 reads the second line of the script file,
 and checks to see if it contains the string
@@ -424,8 +473,9 @@ is now committed to
 mode, so it's too late for
 .RB ` \-d ',
 .RB ` \-e ',
+.RB ` \-l ',
 and
-.RB ` \-l '
+.RB ` \-p '
 too.
 .PP
 (This feature allows scripts to provide options even if they use